The following data show the length of life of wholesale grocers in a particular | Illustration 83. The following data show the length of life of wholesale grocers in a city : Length of life (years)...


The following data show the length of life of wholesale grocers in a particular<br>| Illustration 83.<br>The following data show the length of life of wholesale grocers in a<br>city :<br>Length of life (years)<br>Percentage of wholesalers<br>0-5<br>65<br>5– 10<br>16<br>10 – 15<br>15- 25<br>25 and over<br>5<br>Total<br>100<br>(i) During the period studied, what is the probability that an entrant to<br>this profession will fail within 5 years ?<br>(ii) That he will survive at least 25 years<br>(iii) How many years would he have to survive to be among the 10 per cent<br>longest survivors ?<br>

Extracted text: The following data show the length of life of wholesale grocers in a particular | Illustration 83. The following data show the length of life of wholesale grocers in a city : Length of life (years) Percentage of wholesalers 0-5 65 5– 10 16 10 – 15 15- 25 25 and over 5 Total 100 (i) During the period studied, what is the probability that an entrant to this profession will fail within 5 years ? (ii) That he will survive at least 25 years (iii) How many years would he have to survive to be among the 10 per cent longest survivors ?

Jun 03, 2022
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